The word(s) "neglectful" appears 3 time(s) in 3 verse(s) in Quran in Muhammad Pickthal translation.

(1) Already have We urged unto hell many of the jinn and humankind, having hearts wherewith they understand not, and having eyes wherewith they see not, and having ears wherewith they hear not. These are as the cattle - nay, but they are worse! These are the neglectful.

(2) And do thou (O Muhammad) remember thy Lord within thyself humbly and with awe, below thy breath, at morn and evening. And be not thou of the neglectful.

(3) Lo! those who expect not the meeting with Us but desire the life of the world and feel secure therein, and those who are neglectful of Our revelations,